So back again guys,
I have a 70's to 80's 360 and 904 In my 68 dart original slant 6 drive shaft, and the bushing and slip yoke are shot from drag racing. Im all ready for repair but don't know about the slip yoke spline. (7260) small u joint. I have seen 25,26,29,30??? I thought 25 was 904 and...